WO2017181046A3 - Techniques d'adaptation de débit ofdma - Google Patents

Techniques d'adaptation de débit ofdma Download PDF

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Publication number
WO2017181046A3
WO2017181046A3 PCT/US2017/027681 US2017027681W WO2017181046A3 WO 2017181046 A3 WO2017181046 A3 WO 2017181046A3 US 2017027681 W US2017027681 W US 2017027681W WO 2017181046 A3 WO2017181046 A3 WO 2017181046A3
Authority
WO
WIPO (PCT)
Prior art keywords
band
sub
rate adaptation
techniques
ofdma
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2017/027681
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English (en)
Other versions
WO2017181046A2 (fr
Inventor
Chao CHENG
Ning Zhang
Youhan Kim
Chin-Hung Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of WO2017181046A2 publication Critical patent/WO2017181046A2/fr
Publication of WO2017181046A3 publication Critical patent/WO2017181046A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
    • H04W28/0236—Traffic management, e.g. flow control or congestion control based on communication conditions radio quality, e.g. interference, losses or delay
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne une adaptation de débit sur la base d'un suivi de puissance de canal dans des communications sans fil. Un point d'accès (AP) peut mesurer des informations CQI (informations de qualité de canal) dans toute la bande pour une pluralité de stations sans fil associées au point d'accès et attribuer une unité de ressource de sous-bande parmi la pluralité d'unités de ressource de sous-bande à une station sans fil sur la base des informations CQI dans toute la bande. Certains aspects de la présente invention incluent également des techniques pour ajuster un débit de données associé à la station sans fil sur la base d'une puissance de canal de l'unité de ressource de sous-bande.
PCT/US2017/027681 2016-04-15 2017-04-14 Techniques d'adaptation de débit ofdma Ceased WO2017181046A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201662323357P 2016-04-15 2016-04-15
US62/323,357 2016-04-15
US15/487,026 2017-04-13
US15/487,026 US20170303276A1 (en) 2016-04-15 2017-04-13 Techniques for ofdma rate adaptation

Publications (2)

Publication Number Publication Date
WO2017181046A2 WO2017181046A2 (fr) 2017-10-19
WO2017181046A3 true WO2017181046A3 (fr) 2017-12-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2017/027681 Ceased WO2017181046A2 (fr) 2016-04-15 2017-04-14 Techniques d'adaptation de débit ofdma

Country Status (2)

Country Link
US (1) US20170303276A1 (fr)
WO (1) WO2017181046A2 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10397024B2 (en) * 2016-03-04 2019-08-27 Intel IP Corporation Signaling for uplink sounding
US10985862B2 (en) * 2016-08-30 2021-04-20 Mediatek Inc. Wireless communicating method and associated electronic device
US10420034B1 (en) * 2017-06-09 2019-09-17 Marvell International Ltd. Systems and methods for adaptively controlling uplink communications parameters by an access point
CN108495372B (zh) * 2018-01-19 2021-04-20 西安电子科技大学 一种无线局域网中小区内多站点数据同时传输的方法
US11375342B2 (en) * 2018-02-15 2022-06-28 Telefonaktiebolaget Lm Ericsson (Publ) Apparatuses, methods and computer programs for grouping users in a non-orthogonal multiple access (NOMA) network
EP3547765B1 (fr) * 2018-03-28 2021-08-18 Institut Mines-Telecom Distribution d'énergie à des sous-bandes dans des systèmes de communication à accès multiple
CN113615291B (zh) * 2018-08-21 2024-12-17 马维尔亚洲私人有限公司 无线局域网(wlan)内用于速率选择和资源单元分配的系统和方法
US11120811B2 (en) * 2018-08-29 2021-09-14 Qualcomm Incorporated Power optimized link quality detection and feedback
US11818061B2 (en) * 2018-10-01 2023-11-14 Qualcomm Incorporated Power control for coordinated transmissions from overlapping wireless local area networks
JP7167827B2 (ja) * 2019-04-16 2022-11-09 日本電信電話株式会社 無線通信システムおよび無線通信方法
TWI718796B (zh) * 2019-12-04 2021-02-11 國立交通大學 通訊網路資源分配方法及系統
US11917655B2 (en) * 2019-12-26 2024-02-27 Intel Corporation Apparatus, system and method of resource unit (RU) allocation for multi user (MU) downlink orthogonal-frequency-division-multiple-access (OFDMA) transmission
CN113872726B (zh) * 2020-06-30 2023-03-03 华为技术有限公司 近场通信场景下调整发送速率的方法、装置及系统
US11589353B2 (en) * 2020-09-01 2023-02-21 Cisco Technology, Inc. Real-time dynamic bandwidth expansion
US11888593B2 (en) * 2021-07-21 2024-01-30 Qualcomm Incorporated Scaling and quantization for channel state information reporting

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050111406A1 (en) * 2003-11-21 2005-05-26 Nokia Corporation Multi-user multicarrier allocation in a communication system
WO2008025366A1 (fr) * 2006-08-29 2008-03-06 Telefonaktiebolaget Lm Ericsson (Publ) Procédé et agencement pour une signalisation d'adaptation de liaison dans un réseau de communication sans fil

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050111406A1 (en) * 2003-11-21 2005-05-26 Nokia Corporation Multi-user multicarrier allocation in a communication system
WO2008025366A1 (fr) * 2006-08-29 2008-03-06 Telefonaktiebolaget Lm Ericsson (Publ) Procédé et agencement pour une signalisation d'adaptation de liaison dans un réseau de communication sans fil

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Publication number Publication date
WO2017181046A2 (fr) 2017-10-19
US20170303276A1 (en) 2017-10-19

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